LeetCode: 2391-Minimum Amount of Time to Collect Garbage 解題紀錄
題目
You are given a 0-indexed array of strings garbage
where garbage[i]
represents the assortment of garbage at the ith
house. garbage[i]
consists only of the characters 'M'
, 'P'
and 'G'
representing one unit of metal, paper and glass garbage respectively. Picking up one unit of any type of garbage takes 1
minute.